"In 2002, the non-profit group Public Information Research launched a website known as Google Watch, which advertised itself as "a look at Google's monopoly, algorithms, and privacy issues."" (http://en.wikipedia.org/wiki/Google_Watch [17.12.10]
J. Michel, и et al.. Science, (16.12.2010 2010)Vgl. auch das Supporting Online Material unter: www.sciencemag.org/cgi/content/full/science.1199644/DC1.
D. Vise, и M. Malseed. Murmann, Hamburg, 1. Aufl издание, (2006)Orig.-Ausg.: 2005. Aus dem Amerik. von Bernd Rullkötter und Friedrich Griese. 2. Aufl. der dt. Übers. 2007.